#21103C#21103C

#21103C is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.6% C 0.081 H 297.3°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#21103C
RGB	rgb(33, 16, 60)
HSL	hsl(263, 58%, 15%)
HSV	hsv(263, 73%, 24%)
CMYK	cmyk(45%, 73.3%, 0%, 76.5%)
CIE-LAB	lab(9.16, 20.45, -25.18)
CIE-LCH	lch(9.16, 32.44, 309.08°)
OKLab	oklab(22.57% 0.037 -0.0717)
OKLCH	oklch(22.57% 0.081 297.3)
XYZ	xyz(1.6279, 1.0201, 4.3852)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21103C #2B3C10

analogous

#10153C #21103C #37103C

triadic

#21103C #3C2110 #103C21

tetradic

#21103C #3C1015 #2B3C10 #103C37

square

#21103C #3C1015 #2B3C10 #103C37

split-complementary

#21103C #3C3710 #153C10

monochromatic

#0D0618 #0D0618 #21103C #3C1D6C #562A9D

Accessibility & contrast

On white

17.44

#21103C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#21103C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21103C

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21103C	#FFFFFF	#000000	##FFFFFF
##21103C	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3D

Deuteranopia (green-blind)

#00193B

Tritanopia (blue-blind)

#1A1A24

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #21103c;
/* rgb */ color: rgb(33, 16, 60);
/* oklch */ color: oklch(22.6% 0.081 297.3);

Tailwind

colors: {
  custom: {
    50: '#5f4f72',
    500: '#21103c',
    950: '#000000',
  },
}

SCSS

$custom: #21103c;
$custom-light: #5f4f72;
$custom-dark: #000000;

JSON

{
  "hex": "#21103c",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 60
  },
  "hsl": {
    "h": 263.182,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.22571,
    "c": 0.0807,
    "h": 297.3
  },
  "luminance": 0.0102
}

Semantic roles & 50–950 ramp

primary

#21103C

secondary

#5C7632

accent

#E147A5

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#050208

muted

#79787B

Preview Lab

Preview with #21103C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →